XVm CONTENTS. 



PAGE 



NiEMTEC, J". — Nerw IS System of Cestodes .. Part 6 989 



GiARD, A. — New Parasitic EhahdoGoel .. ,. ,. „ 990 



Weldox, W. F. N. — Dinophilus gigas „ 991 



Zacharias, O. — Spontaneous Division in Fresh-water Planarians .. .. „ 991 



Salenskt, "W. — Structure and Metamorphosis of Pilidium „ 992 



BouENE, A. G. — Modification of the Trochal Disc of the Rotif era .. .. „ 993 

 MiJjNB, W. — Defectiveness of the Eye-spot as a means of generic distinc- 

 tion in the Philodinsea ,, 994 



KoHLER, E. — Affinities of Balanoglossus „ 995 



„ ,, Littoral Fauna of the Channel Fsl inds .. ,, 096 



Bell, F. J. — Bipalium kewense ,, 1107 



Echinodermata . 



Haacke, W. — Radial Disposition of Medusse and Echinodermata ,. ., Parti 48, 



Howell, W. H. — Hsemoglohin in Echinoderms , 79 



Ayers, H. — Structure and Function of the Sphseridia of Echinoids . . ,, 80 



Duncan, P. M. — Ambulacra of Diadematidae „ 80 



Perkier, E. — Star-fishes of the ^ Talisman^ • .. .. „ 80 



Sarasin, 0. F. & P. B. — Echinoid covered with Compound Eyes .. . . Part 2 253 



Metschnikopp, E. — Wandering-cells of Echinoderms „ 253 



Hertwig — Influence of Gravity on the Division of Cells „ 254 



Duncan, P. M. — Perignathic Girdle of Echinoidea „ 254 



Muniee-Chalmas — Apical Area of some Cretaceous and Tertiary 



Echinids „ 254 



Graff, L. von — Deformities of Fossil Crinoids „ 255 



Wachsmuth, C, & F. Springer — Revision of the Palseocrinoidea . . „ 255 



Prouho, H. — Nervous System of Echinus acutus Part 3 450 



Saeasin, 0. F. & P. B. — Neu) Echinothurid and its Poison-apparatus . . „ 451 



Hamann, O. — New Organs of the Echinida - .. „ 452 



„ „ Transversely striated Muscles in Echinida „ 452 



Baeeois, J. — Development of Comatula mediterranea Part 4 622 



Hamann, O. — Nerve-terminations, Sense-organs, and Glands in the 



Pedicellariae of Echinids „ 622 



Beddard, F. E. — Striated Muscles in the Echinida „ 623 



Fewkes, J. W. — Development of Ophiopholis and Echinarachnius .. .. „ 623 



Perrier, E. — Organization of Star-fishes ,, 624 



Prouho, H. — Vascular System of Spatangus purpureus „ 625 



KoEHLER, R. — Circulatory System of Echinoids Part 5 801 



Duncan, P. M. — Hamann' s Researches ok the Echinoidea , 802 



Peouho, H. — Vascular System of Dorocidaris papillata „ 802 



CuENOT — Functions of Ovoid Gland, Tiedemann's Bodies, and Polian 



Vesicles of A sterida ,^ 802 



Dendy, A. — Regeneration of Visceral Mass in Antedon rosaceus ., .. „ 803 



Cabpentee, p. H. — Variations in the form of Cirri in Comatula . . , . „ 803 



„ „ Comatidas of the ' Willem Barents ' Expedition . . „ S03 



Thebl, H. — Holothuroidea of the ' Challenger ' Part 6 996 



JjV'D'WIGj'H.. — Six-rayed Jlolothurians „ 997 



KoHLBR, R. — Circulatory System of Ophiurids „ 997 



Wachsmuth, C, & F. Springer — Revision of the Palseocrinoidea .. „ 997 



